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Tuesday, 25 November 2008
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| 8.45-9.00 | Registration of participants | |
| 9.00-9.15 | Opening session: Welcome statement by Aldo Lale-Demoz, Field Representative, UNODC Colombia | |
| 9.15-10.00 | Objectives of the workshop and review of the agenda. Angela Me (UNODC Vienna) | |
| Overview of issues that challenge area estimates. Coen Bussink (UNODC Vienna) | ||
| The current state of coca leaf yield. Javier Teran (UNODC Vienna) | ||
| Discussion | ||
| 10.00-10.30 | Sampling versus Census. Angela Me (UNODC Vienna) | |
| Discussion | ||
| 10.30-10.45 | Coffee break | |
| 10.45-13.00 |
First thematic session: Stratification
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| The use of stratification in survey sampling. Elsa Albarracin (AAIC) | ||
| Stratification by agricultural characteristics and by eradication. Leonardo Correa (UNODC Colombia) | ||
| Stratification by altitude and slope. Ivan Alfaro (UNODC Bolivia) | ||
| Classified images as covariables to improve the estimates from ground surveys.
Javier Gallego (JRC) |
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| Discussion | ||
| 13.00-14.30 | Lunch Break | |
| 14.30-18.00 |
Second thematic session: Area Frame Sampling
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| Area Frame Sampling in agricultural surveys (special case with small sample size).
William H. Wigton |
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| Discusion | ||
| 16.30-16.45 | Coffee break | |
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Wednesday, 26 November 2008
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| 9.00-13.15 |
Third thematic session: Seasonality
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| Analysis of time series of Landsat images (and seasonality). Thomas Bauer (BOKU) | ||
| The agrometeorological yield model. William H. Wigton | ||
| Seasonality on coca leaf yields. Paloma Lumbre (UNODC Peru) | ||
| End of year corrections. Rodolfo Llinas (UNODC Colombia) | ||
| Discussion | ||
| 11.00-11.15 | Coffee break | |
| 13.15-14.30 | Lunch Break | |
| 14.30-18.00 |
Fourth thematic session: New approaches in area estimates
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| Dot grid sampling. Werner Schneider (BOKU) | ||
| Mature coca index. Martino Pesaresi (JRC) | ||
| Substituting ground surveys with a sample of high resolution images. Javier Gallego (JRC) | ||
| Discussion | ||
| 16.30-16.45 | Coffee break | |
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Thursday, 27 November 2008
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| 9.00-11.00 |
Fifth thematic session: Factors affecting yield
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| Encuesta de Costos de Produccion.
Martha Paredes/Leonardo Correa (UNODC Colombia)
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| Key Socio-economic indicators derived from farmer surveys. Edgar Ortiz (AAIC) | ||
| Questionnaire to collect data on socio-economic indicators. Oscar Mosquera Ramos (AAIC) | ||
| Discussion | ||
| 11.00-11.15 | Coffee break | |
| 11.15-13.00 |
Sixth thematic session: Visual interpretation of remote sensing images
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| Main ways to use images for area estimations. Javier Gallego (JRC) | ||
| Accuracy in visual interpretation (BOKU). Werner Schneider (BOKU) | ||
| Interpretation keys. Sandra Rodriguez Castillo (SIMCI) | ||
| Discussion | ||
| 13.15-14.30 | Lunch Break | |
| 14.30-15..30 |
Seventh thematic session: alcaloide content and other issues
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| New developments on alcaloid content in coca plants. Ana Donato (FGN) | ||
| Discussion | ||
| Estudio Integral de la hoja de coca Reynaldo Molina (Government of Bolivia) | ||
| Discussion | ||
| 15.30-18.00 | Conclusions |
